shell: add tunnel support

diff --git a/proto-shell.c b/proto-shell.c
index 7aecf84..492d0e4 100644 (file)
--- a/proto-shell.c
+++ b/proto-shell.c
@@ -222,6 +222,21 @@ proto_shell_parse_route_list(struct interface *iface, struct blob_attr *attr,
        }
 }
 
+static struct device *
+proto_shell_create_tunnel(const char *name, struct blob_attr *attr)
+{
+       struct device *dev;
+       struct blob_buf b;
+
+       memset(&b, 0, sizeof(b));
+       blob_buf_init(&b, 0);
+       blob_put(&b, 0, blobmsg_data(attr), blobmsg_data_len(attr));
+       dev = device_create(name, &tunnel_device_type, blob_data(b.head));
+       blob_buf_free(&b);
+
+       return dev;
+}
+
 enum {
        NOTIFY_ACTION,
        NOTIFY_ERROR,
@@ -234,6 +249,7 @@ enum {
        NOTIFY_ADDR_EXT,
        NOTIFY_ROUTES,
        NOTIFY_ROUTES6,
+       NOTIFY_TUNNEL,
        __NOTIFY_LAST
 };
 
@@ -249,6 +265,7 @@ static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = {
        [NOTIFY_ADDR_EXT] = { .name = "address-external", .type = BLOBMSG_TYPE_BOOL },
        [NOTIFY_ROUTES] = { .name = "routes", .type = BLOBMSG_TYPE_ARRAY },
        [NOTIFY_ROUTES6] = { .name = "routes6", .type = BLOBMSG_TYPE_ARRAY },
+       [NOTIFY_TUNNEL] = { .name = "tunnel", .type = BLOBMSG_TYPE_TABLE },
 };
 
 static int
@@ -256,6 +273,8 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr *data,
 {
        struct interface *iface = state->proto.iface;
        struct blob_attr *cur;
+       struct device *dev;
+       const char *devname;
        int dev_create = 1;
        bool addr_ext = false;
        bool up;
@@ -282,8 +301,19 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr *data,
                if (state->l3_dev.dev)
                        device_remove_user(&state->l3_dev);
 
-               device_add_user(&state->l3_dev,
-                       device_get(blobmsg_data(tb[NOTIFY_IFNAME]), dev_create));
+               devname = blobmsg_data(tb[NOTIFY_IFNAME]);
+               if (tb[NOTIFY_TUNNEL]) {
+                       dev = proto_shell_create_tunnel(devname,
+                               tb[NOTIFY_TUNNEL]);
+                       if (!dev)
+                               return UBUS_STATUS_INVALID_ARGUMENT;
+               } else {
+                       dev = device_get(devname, dev_create);
+                       if (!dev)
+                               return UBUS_STATUS_NOT_FOUND;
+               }
+
+               device_add_user(&state->l3_dev, dev);
                iface->l3_dev = &state->l3_dev;
                device_claim(&state->l3_dev);
        }